Fix #24596: Adding "c. " text support within Tempo text

[pacebes]

Resolves: #24596

This change allows the use of "c. " within the tempo text

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[cbjeukendrup]

Thanks!

[zacjansheski]

Tested on MacOS 14, Windows 11, Ubuntu 22.04.3. Approved
#24596 FIXED

[Jojo-Schmitz]

Do we want it for 4.4.2 too? It looks simple and harmless enough